Performance is the very basic and essential for any server system. Linux comes with a number of tools that come in handy for any system administrator. This article presents some of these tools for monitoring performance of the system. TOP The top command is an interactive command that monitors the current system state. It provides the real-time, dynamic information about the system. It displays the summary information such as system uptime, number of users logged in, running, sleeping, stopped and zombie processes etc. Rest it provides information about the current processes, such as PID, owner of process, %CPU used, %MEM used by the process, name of command etc. To run top, enter the following command: $ top SAR sar command is provided by the sysstat package. To install and run sar command, sysstat package needs to be installed. This command […]
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